baber/WOPTO huggingface dataset:
Patent GB-515666-A (GB)
Title: Improvements in and relating to electric conductors
IPC: H01B3/18
Filed: 1938-02-25
Abstract: 515,666. Conductors. BRITISH THOMSONHOUSTON CO., Ltd. Feb. 25, 1938, No. 6016. Void. Convention date, Feb. 27, 1937. Drawings to Specification. [Class 36] [Also in Group IV] An insulated conductor comprises a conducting core to which a flexible substantially continuous homogeneous layer of cellulose ester is applied, a layer of fibrous fire-proof material being superimposed. A further layer of the fire-proof material may be applied below the cellulose ester. The cellulose ester preferably comprises cellulose acetate with an addition of 25 to 45 parts by weight of tripropionin, and is extruded. The fire-proof layer may consist of felted asbestos and may be treated with moisture and flame-proofing material. An outer coating, preferably of woven fabric coated or treated to render it wear-resisting and flame-proof, may also be applied.
Patent GB-472523-A (GB)
Title: Improvements in pulsators for milking machines
IPC: A01J5/12
Filed: 1937-03-01
Abstract: 472,523. Cow-milkers. AKTIEBOLAGET SEPARATOR: March 1, 1937, No. 6042. Convention date, March 4, 1936. [Class 84] A pulsator for milking-machines comprises a valve carrier 20 reciprocating in a bore and provided with rigid valves 22, 22a co-operating with flexible seats e, e<1> and flexible valves 21, 21a co-operating with rigid seats d, d<1> the valves operating to put two pulsation chambers g, g<1> alternately into communication with the atmosphere and a source of vacuum 14. As shown, the pulsator body consists of a central piece a, two intermediate pieces b, b<1> and two end pieces c, c<1> all held together by a bolt. The flexible valve seats e, e<1> are held in bores in the centre piece a by rigid washers f, f abutting against the intermediate pieces b, b<1>. The bore extends through the central and intermediate pieces and is separated from air chambers 15, 15a in the end pieces c, c<1> by flexible non-permeable walls 19, 19a. In the position shown, the valve 21 is closed and valve 22 is open, admitting air through ports 12, 11 and the bore in the central piece a to the pulsation chamber g and thence through aperture h to a teat cup and slowly through a restricted orifice i to the air chamber 15 where it gradually raises the pressure against the flexible wall 19 which presses against the left end of the carrier 20. Valve 22a is at the same time closed and valve 21a open, air from chamber 15a flowing slowly through a restricted orifice i<1>, and from another teat cup through aperture h<1> into the pulsation chamber g<1> and thence through the bore in the intermediate piece b<1> and port 13a to a vacuum chamber 14. As the pressure in chamber 15 gradually increases and in chamber 15a gradually decreases the carrier 20 begins to move to the right and as flexible wall 19 leaves its seat 17, air flows into an annular chamber 18 and greatly increases the force to the right, and the carrier 20 completes its stroke almost instantaneouslv. The valves are then set to reverse the flow of air to and away from the teat cups.
Patent GB-271946-A (GB)
Title: Improvements in or relating to hydro-electric power stations
IPC: F03B13/06
Filed: 1926-03-03
Abstract: 271,946. Bauer, G. March 3, 1926. Central and sub-station plant, arrangement of. -In a hydro-electric plant in which a hydraulic turbine 1 drives an electric generator 4, a pump 6 is driven from the generator shaft through a readily disconnectible coupling 5 so that excess power of the turbine may be used to pump water from the tail race 3 to a high level reservoir whence it can be drawn when the demand for water exceeds the supply. An electromagnetic coupling may be used but preferably ai hydraulic coupling is used, the degree of filling being controlled by a governor of the turbine or generator so as to maintain a constant load on the turbine. Electric current may be supplied from a distant station to run the generator as a motor to drive the pump.
Patent GB-987763-A (GB)
Title: Process for purifying titanium dioxide pigment
Inventor: SPURGEON PETER
IPC: C22B34/12
Filed: 1962-02-16
Abstract: Polyvalent elements are removed from hydrous titanium dioxide pulp by adding to an aqueous acidic suspension thereof a surface active agent and a finely-divided metal which reduces titanium from the quadrivalent to the trivalent state.  The polyvalent elements are metallic elements other than Ti, which, in acidic media, are adsorbed on the pulp in one of their higher valency states and more readily removed in a lower valency state, e.g. Fr, Cr, V. The pulp may be formed by digestion of a titaniferous material, e.g. ilmenite, with hot H2SO4, removal of some FeSO4, precipitation by thermal hydrolysis and washing by decantation of filtration.  H2SO4 is added so that the suspension contains 10-200 g. H2SO4/l, and e.g. 350g. TiO2/l.  The added metal may be Zn, Al, or Mg, and this may be first slurried with water before or after addition of surface active agent, the resultant slurry being then added to the acidic pulp suspension, and agitated. 0.5-1 kg. Zn may be used per cu. metre slurry.  The surface active agent wets the metal in aqueous solution and is preferably organic being: non-ionic, e.g. ethylene oxide polymer or co-condensate with aryl compound cationic, e.g. quarternary ammonium compound of long chain hydrocarbon; or anionic, e.g. alkali metal salt of long chain hydrocarbon with a substituted acid group. The reaction is performed at 40-100 DEG  C., preferably in the absence of O2. At the end of the treatment may remain:  0.1-1 g. Ti3+ ions (calculated as TiO2); and the following suitable maximum ionic weights, based on TiO2: 0.005% Fe, 0.001% Cr (estimated as Cr2O3) and 0.002% V (estimated as V2O5). After treatment the pulp may be filtered, washed, additioned, calcined, ground, and wet-coated.
Patent GB-252478-A (GB)
Title: Improvements in or relating to apparatus for playing table games
IPC: A63D13/00
Filed: 1925-03-05
Abstract: 252,478. Victavia Games & Toy Co., Ltd., and Hollingbery, E. March 5, 1925. Parlour games.-A reversible game board is fitted and adapted for use on one side for playing two or more games. As shown, a bagatelle board, Fig. 1, is provided on its reverse side, Fig. 2, with means for playing Tivoli billiards and with a target 19. The target 19 may be replaced by a draught board or by projections for use in a ring-throwing game. In a modification, a full sized billiard table is provided on the reverse side with means for playing two or more games.
Patent GB-1514445-A (GB)
Title: Diisocyanates and their use in the preparation of polyurethane elastomers
IPC: C08G18/00
Filed: 1977-02-14
Abstract: 1514445 A monohydric alcohol modified diisocyanate UPJOHN CO 14 Feb 1977 [11 March 1976] 06104/77 Heading C2C [Also in Division C3] The invention comprises a diiaocyanate comprising the product of reaction of 4,4<SP>1</SP>-methylene bis(phenylisocyanate) and from 0À001 to 0À02 equivalents of an aliphatic monohydric C 1-18  alcohol per equivalent of acid diisocyanate which can be employed in the preparation of a thermoplastic polyurethane elastomer by reaction with a polymeric diol and a difunctional enleader.
Patent GB-1032687-A (GB)
Title: Yeast hydrolysate
IPC: A23J3/34
Filed: 1965-02-12
Abstract: 1,032,687. Yeast hydrolysates. NESTLE'S PRODUCTS Ltd. Feb. 12, 1965 [Feb. 18, 1964], No. 6219/65. Heading A2B. A yeast hydrolysate is produced by heating yeast to inactivate its natural enzymes, hydrolyzing the yeast with at least one protolytic enzyme until the desired degree of hydrolysis is reached and thereafter inactivating the added enzymes by heating, and the hydrolysis with enzymes is effected under optimum conditions of pH and temperature for the proteolytic enzyme or enzymes used. According to a preferred procedure, an aqueous yeast suspension containing 5 to 25% of dry matter is heated to a temperature of 90-95‹C. for 10-12 minutes to inactivate the natural enzymes of the yeast, the yeast is then hydrolyzed at a temperature of 50-80‹C. for 4-12 hours employing pancreatin, pepsin, ficin, bromelin, papain, a fungal proteolytic enzyme such as Aspergillus oryzae, or a mixture of two or more of these enzymes and, if desired, an activator such as glutathion, cystine, cysteine or sulphur dioxide, the protolytic enzyme(s) added are thereafter inactivated by heating to a temperature of 90-95‹C. for about 10 minutes and the hydrolyzate is either concentrated by evaporation to a paste of 18-25% moisture content or dried to a powder or granulate of 3-5% moisture content by spray-, roller- or vacuum-drying. With a high yield of soluble matter amino nitrogen contents ranging between 20% and 80% of total nitrogen may be obtained, depending on the enzyme or enzymes used. The yeast hydrolysate produced may be used in soups, bouillons, seasonings and dietetic preparations, and as a substitute for conventional protein hydrolysates. The insoluble cell wall of the yeast may be removed, by means of centrifuge or filter press, before the hydrolysis. According to an example, 5 Kg of press baker's yeast, containing about 25% total solids, are suspended in 7.0 Kg of water and stirred until a homogeneous mixture is obtained. The suspension is heated for 10 minutes at 90-95‹C., is cooled at 50‹C. and 1.2g of ficin and 2.4g of bromelin are added. With the temperature maintained at 50‹C. and the pH adjusted to a value between 6.0 and 7.5, at least 90% of the proteins have passed into solution after 8 hours. The filtrate and any wash water are concentrated under vacuum to a viscous paste, which is then dried to a readily soluble powder containing 10-11% total nitrogen.
Patent GB-552246-A (GB)
Title: Improvements in vitrified diamond grinding wheels
IPC: B24D5/02
Filed: 1942-05-11
Abstract: 552,246. Abrasive compositions. NORTON GRINDING WHEEL CO., Ltd. May 11, 1942, No. 6366. Convention date, May 10, 1941. [Class 70] [Also in Group XXIII] An abrasive article or grinding wheel comprises an abrasive portion containing diamond abrasive with a ceramic bond, and a backing, integral therewith and having a ceramic bond in both parts containing in addition silicon or a silicon alloy such as ferrosilicon or aluminium silicon.
Patent GB-374084-A (GB)
Title: Improvements in and relating to yarn testing machines
IPC: G01N3/14
Filed: 1931-03-02
Abstract: 374,084. Testing strength of yarn. COOK & CO., MANCHESTER, Ltd. and JOWETT, J., 18, Exchange Street, Manchester. March 2, 1931, No. 6394. [Class 106 (ii).] Relates to machines comprising a frame having a carriage carrying cops which reciprocates presenting yarn to nips at the front or opposite end of the frame which hold it during the outward run of the carriage thereby allowing a constant length of yarn to be held, the tension applied to the yarn pulling against a load until it breaks and the breaking stress being indicated by a perforation of a diagram paper by pins, and consists in using weights slung about pivots instead of the usual springs for applying the load. The sliding member 9 carrying the pulling jaws 8 for the yarn is attached by a chain 10 to a grooved wheel or quadrant 6 mounted on knife-edge bearings 7. Secured to the wheel 6 or to its shaft is an arm 12 hanging vertically. The weight of the arm is compensated by a weight 13 placed on the wheel oppositely to the arm. The arm carries a cylindrical weight 16 for which other weights of the same length may be substituted without altering the centre of gravity. The arm 12 normally rests against a stop 17 on a depending arm of the bracket 5. To a rearwardly projecting arm 19 of the bracket 5 is secured a cover 20 which runs across all the wheels 6 and protects them. When the yarn is under tension the wheel 6 is turned and the arm 12 turns about its pivot until the yarn breaks. The angle turned through by the arm is a measure of the tensile strength. A connecting-rod 21 is acted upon by a cam 22 on the driving or other shaft of the machine and is pivoted at 23 to an arm 24 which is connected by a bar 25 to an arm at the other side of the machine. Mounted on this bar are toothed quadrants 26 and on each arm 12 is a pawl 27 normally held out of engagement with the corresponding rack by engagement of a tail-piece 28 with a fixed lug 29. The machine rotates the cam so that the rod 21 swings the arms 24 rearwardly following the movement of the arm 12, the pawl 27 engaging the rack immediately the arm begins to move. On breakage of the yarn, the rack prevents backward movement of the arm 12 until the rod 21 has been moved back.
Patent GB-875863-A (GB)
Title: Improvements in and relating to shoe heels
Inventor: COX HERBERT FRANK
IPC: A43B21/38
Filed: 1959-02-24
Abstract: 875,863. Heels; protectors. CLARK Ltd., C. & J. May 18, 1960 [Feb. 24, 1959], No. 6404/59. Classes 17(2) and 17(3) A metal rivet e extending through a laminated heel a is bifurcated at the upper end to provide prongs j for bending back on to the shoe upper seating face c, and provided with a hole at the other end to receive a fastener n for a top piece p. The head f of the rivet is received in a recess g in the heel, and the fastener n is anchored in a fibrous plug m in the rivet.
Patent GB-953737-A (GB)
Title: Means for obtaining a pressure drop dependent on the viscosity of a liquid
Inventor: KEMP KENNETH ALBERT WALTERS
IPC: F15B21/045
Filed: 1961-02-22
Abstract: 953,737. Valves. C.A.V. Ltd. Feb. 20, 1962 [Feb. 22, 1961], No. 6432/61. Heading F2V. Means for obtaining a pressure drop in a liquid flow line dependent on viscosity of the liquid comprises a rotor 15 within a body 5 having an inlet 6 and outlet 7, a sleeve member 16 rotated against spring 17 through the viscosity of a thin layer of the liquid between members 15, 16 as the rotor turns and means, e.g. pin 19 and cam slot 18 whereby rotation of the sleeve moves it axially to variably restrict the flow path 13. The sleeve may be replaced by a piston or disc. The pressure drop may also be made dependent on inlet pressure by providing a spring-loaded piston valve 22.
Patent GB-242853-A (GB)
Title: Improvements in or relating to braking mechanism
IPC: F16D51/60
Filed: 1925-03-10
Abstract: 242,853. Naden, J. H., and Girling, A. H. G. March 10, 1925. Band; blocks acting on drums. - In braking- mechanism comprising brake elements which are permitted a limited rotary movement when engaged with the brake drum, and in which the brake elements are adapted to be engaged by relatively fixed abutments which force them against the drum as they are carried round by the latter, the brake elements comprise portions A<3>, A<4> hinged together at A<5> and supported on channel-shaped operating-members F, F<1> pivoted at F<2>. Slots A<6> in the parts A<3> are engaged by rollers A<7> carried by the side flanges A<9> of the members F, F<1>, and cam surfaces F<6> on the parts A<4> are engaged by rollers F<4> carried by the flanges A<9>. The parts A<3> are engaged with the drum by the rollers A<7>, and their consequent movement with it effects the engagement of the parts A<4> by the co-operation of the members F<4>, F<6>. Springs F<7> are provided to hold the parts A<4> clear of the drum when the brake is released. The brake is contained and may be applied to existing brake c.rums without modification of any of the parts. In a modification. shown in Fig. 2, the parts L, L<1> are pivoted on short links L<2> and the psrts L are expended by a pair of pivoted arms M engaging rollers N on them, whilst the parts L<1> carry rollers N<3> engaging fixed cam surfaces N<2>.
Patent GB-982458-A (GB)
Title: Profile grinding machine for glass panes and mirrors
IPC: B24B9/10
Filed: 1963-02-18
Abstract: 982,458. Grinding. W. SCHMIDT. Feb. 18, 1963, No. 6534/63. Heading B3D. A machine for profiling the edges of glass panes and mirrors comprises means for rotating a workpiece 1 about a horizontal axis, a grinding wheel 8 mounted for rotation about a horizontal axis on the end of a pendulum rod 9 journalled to the end of a double lever 11 rocked in dependence upon rotation of the workpiece, and a weight-loaded double lever 29 engaging the pendulum rod to compensate for variations of the pressure applied by the grinding wheel to the workpiece as a result of movement of the pendulum rod. The workpiece 1 is secured to an axle 2 driven from an electric motor 7 by worm gearing 3, 4, chain drive 5, and gearing 6 which is infinitely variable to vary the speed of rotation of the workpiece by a lever 16, 20 which is pivoted at 15 and, at one end, has a toothed quadrant 17 engaging an adjusting gear 18 of the gearing 6, and, at the other end, a follower co-operating with a cam 21 driven by a chain 23 from the axle 2. Alternatively, the lever 16, 20 may be rocked by a cord 33 attached to the pendulum rod. The axle 2 is also connected by a chain 14 to a wheel 13 having a pin 34 secured to one end of a rod 12 joined to one end of the lever 11, the other end of which is connected to the pendulum rod carrying the grinding wheel and its motor 19. The variations in pressure between the grinding wheel and workpiece are compensated by the double lever 29 which is connected to the rod 9 by a rod 30 of adjustable length. The direction of rotation of the grinding wheel may be reversed during grinding of the workpiece by adjustable cams 25 actuating a switch 26 of a reversing contactor 27 for the motor 19. Alternatively, a switch 36 actuated by a rod 37 connected to the pendulum rod 9 may control the contactor. The grinding wheel may be shaped to impart a bevelled or shaped edge on the workpiece.
Patent GB-1492783-A (GB)
Title: Syringe assemblies
IPC: A61M5/31
Filed: 1975-02-04
Abstract: 1492783 Syringe operating device H R CUTHBERT 4 Feb 1975 [13 Feb 1974] 6552/74 Heading A5R [Also in Division Fl] A syringe assembly comprises a piston and plunger surgical syringe in combination with an operating device which comprises a cylindrical sleeve 2 slidable on the barrel B of the syringe and resilient arms 3 which are integral with the sleeve and parallel to the axis thereof, the arms having upwardly bent free end portions 4 for engaging the head of the plunger P. Finger grips 5 on the sleeve 2 for engagement by the first and middle fingers of his hand permit the operator to move the sleeve 2 rearwardly on the barrel B by a single manual squeezing action when his thumb engages the rear flange F of the barrel thus causing the arms 3 to retract the plunger P. The device may be formed from a shaped blank Fig. 3 (not shown).
Patent GB-251924-A (GB)
Title: Improvements in bosom shirt constructions
IPC: A41B1/02
Filed: 1926-03-09
Abstract: 251,924. Hutchinson, C. W. Nov. 9, 1925, [Convention date]. Shirts.-To render the edges of the bosom or front sections 16, 17 free from the shirt, attachment is made by stitching at the centre, the stitches 18 terminating some distance up from the bottom. The bosom is attached also along the yoke 20 and neck-band 19. The uppermost shirt and bosom sections have buttonholes 21, but the lowermost shirt section 14 has none, so that it is necessary to insert the hand between the bosom and shirt section for inserting the stud 22 at this part.
Patent GB-1471845-A (GB)
Title: Edible soy protein containing dried meat products
IPC: A23L13/40
Filed: 1975-02-17
Abstract: 1471845 Soy protein product FUJI OIL CO Ltd 17 Feb 1975 [18 Feb 1974] 6649/75 Heading A2B A soy protein containing dried meat product is made by mixing a fibrous soy protein product of fibril structure having a random orientation with natural meat, in an amount of not less than 10% by wt. of the natural meat, heat treating the mixture to sterilise it and drying the product. The fibrous soy protein is made by heating an aqueous slurry of the protein material under pressure and extruding it through an orifice. The drying step may be effected by microwave irradiation, freeze drying or hot air drying to reduce the moisture content to less than 10%. The heat treatment is preferably at a temperature of not less than 60C for 5-30 mins, preferably by heating the mixture to 100C with steam.
Patent GB-589186-A (GB)
Title: Improvements relating to pyrophoric lighters
IPC: F23Q2/34
Filed: 1945-03-16
Abstract: 589,186. Pyrophoric lighters. LOWENTHAL, J., and BISHTON, A. H. March 16, 1945, No. 6722. [Class 75 (iii)] In a pyrophoric lighter with a windshield 15 pivoted on the spindle 8 of the friction wheel 7, a hinged lid 2 is provided to cover the windshield and ignition system, and to expose the wick the lid has to be opened first and then the windshield turned in the opposite direction. The spindle 8 is mounted in a U-shaped member 9 fixed to the top of the fuel container 6 which slides in the outer casing 1. The lid is retained in open and closed positions by a tongue 5 and a leaf spring 4.
Patent GB-216241-A (GB)
Title: Improvements in shaft couplings
IPC: F16D3/74
Filed: 1923-03-08
Abstract: 216,241. Simms, F. R., and Simms Motor Units (1920), Ltd. March 8, 1923. Universal joints. - In resilient and adjustable shaft couplings of the kind described in Specification 124,545, and in which the two members provided with different numbers of teeth and the engaging - parts of the intermediate ring are made of truncated conical form, the intermediate ring is of rubber, and its periphery is protected by a vulcanite ring vulcanized thereto. The coupling members a, b may be entirely of metal or may comprise inner metal parts i and outer vulcanite parts j secured thereon by castellations and iormed with the conical teeth c, d to engage the rubber ring e, which is surrounded by the vulcanite ring h.